UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dx6iYh2scA35l3s99bK6mCr4MPgBEB3yAv8CemKj4VY=' 
WHERE 
  key_id = 'ac911261ccbcf4d83953f57ae6ee107ded870ec3be5299dff2306806424b60a1' 
  AND (
    token = 'Dx6iYh2scA35l3s99bK6mCr4MPgBEB3yAv8CemKj4VY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )